CN110530687B - Gaseous detection device of SF6 - Google Patents
Gaseous detection device of SF6 Download PDFInfo
- Publication number
- CN110530687B CN110530687B CN201910882508.1A CN201910882508A CN110530687B CN 110530687 B CN110530687 B CN 110530687B CN 201910882508 A CN201910882508 A CN 201910882508A CN 110530687 B CN110530687 B CN 110530687B
- Authority
- CN
- China
- Prior art keywords
- rod
- gas
- bracket
- collecting barrel
- base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 30
- 230000003028 elevating effect Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 abstract description 8
- 238000005070 sampling Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 63
- 230000005611 electricity Effects 0.000 description 3
- 239000012212 insulator Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010021143 Hypoxia Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
- G01N1/24—Suction devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Combustion & Propulsion (AREA)
- Biomedical Technology (AREA)
- Molecular Biology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The application provides an SF6 gas detection device, which comprises a base, wherein a bracket is arranged on the base, a gas collecting barrel is arranged in the bracket, a piston is arranged in the gas collecting barrel, the piston is fixed with a piston rod, the piston rod penetrates through one end of the gas collecting barrel and is fixed with a first insulating rod, the other end of the gas collecting barrel is fixed with a second rod, the piston rod and the second rod are both in sliding connection with the bracket, an inlet is arranged at the upper part of the gas collecting barrel, and a gas check valve is arranged in the inlet; be provided with elevating system on the bracket, elevating system is connected with SF6 gas detection appearance, the bottom of bracket be provided with SF6 gas detection appearance assorted through-hole, the bottom of through-hole is provided with the rubber hemisphere. The invention can finish the detection process without manually holding an instrument and an operating rod, realizes the separation of people from the detector by adopting the gas collecting barrel outside the power distribution cabinet for sampling by operating personnel, and has safer whole detection process and more accurate detection result.
Description
Technical Field
The invention relates to the technical field of SF6 gas detection, in particular to an SF6 gas detection device.
Background
In the conventional technology, particularly in an electric device such as an insulated switch insulated and protected by SF6 gas, when the electric device parts are aged or over-temperature or discharge occurs, SF6 is decomposed into a plurality of gas molecules including H2S and SO2, and therefore, it is necessary to detect the concentration of SF6 gas to determine the insulation in the GIS.
Traditional gaseous detection device of SF6, generally be provided with the insulator spindle, the tip of insulator spindle has the gaseous detector of SF6, the handheld insulator spindle of people detects, this kind of gaseous detection device of SF6 needs artifical handheld operation when the operation, firstly, the operation is inconvenient, secondly, the people need get into the switch board and detect in the switch board, because SF6 is 5 spare heavier than the air, SF6 can deposit in a large number in the lower part of switch board, in case the people inhales a large amount of SF6, then can lead to the oxygen deficiency, there is very big potential safety hazard, and people are in the testing process, directly put into the switch board that needs to detect with the detector in, and the gas in the room receives the influence of external various factors easily, so lead to the testing result inaccuracy. Which is a disadvantage of the prior art.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides the SF6 gas detection device which can detect gas at a distance and a high place, and has the advantages of simple operation, high accuracy and high safety.
An SF6 gas detection device comprises a base, wherein a bracket is arranged on the base, a gas collection barrel is arranged in the bracket, a piston is arranged in the gas collection barrel, the piston is fixed with a piston rod, the piston rod penetrates through one end of the gas collection barrel and is fixed with a first insulation rod, the other end of the gas collection barrel is fixed with a second rod, the piston rod and the second rod are both connected with the bracket in a sliding manner, an inlet is formed in the upper part of the gas collection barrel, and a gas check valve is arranged in the inlet; be provided with elevating system on the bracket, elevating system is connected with SF6 gas detection appearance, the bottom of bracket be provided with SF6 gas detection appearance assorted through-hole, the bottom of through-hole is provided with the rubber hemisphere.
Furthermore, a lifting column is arranged in the bracket and is connected with the bracket through a spring, and a boss matched with the lifting column for use is arranged at the bottom of the gas collecting barrel.
Further, the bottom of bracket is provided with the controller, the controller with elevating system electricity is connected, still be provided with correlation sensor on the bracket, correlation sensor is connected with the controller electricity.
Furthermore, the first insulating rod is connected with a connecting rod mechanism, the connecting rod mechanism comprises a push rod and a connecting rod, one end of the push rod is provided with a handle, and the other end of the push rod is hinged with the first sliding sleeve; the lower end of the connecting rod is connected with the first sliding sleeve in a sliding mode, the upper end of the connecting rod is connected with the second sliding sleeve in a sliding mode, and the second sliding sleeve is hinged to the first insulating rod; the connecting rod between the first sliding sleeve and the second sliding sleeve is hinged with the base.
Furthermore, the boss is a trapezoidal boss, and the long edge of the trapezoidal boss is connected with the bottom of the gas collecting barrel; the upper surface of the lifting column is a hemispherical surface.
Furthermore, a height adjusting rod is fixed at the lower part of the bracket, a plurality of bolt holes are formed in the height adjusting rod, and the height adjusting rod is fixedly connected with the base through bolts in the bolt holes.
Further, elevating system includes motor, gear and rack, the control signal output part of controller is connected with the control end electricity of motor, motor and bracket fixed connection are provided with the gear on the output shaft of motor, and the gear meshes with the rack, is fixed with the gaseous detector of SF6 on the rack.
Furthermore, the connecting rod is hinged with one end of the L-shaped support, and the other end of the L-shaped support is fixedly connected with the base.
Furthermore, the push rod and the connecting rod are both insulating rods.
Further, be provided with first fixed block and second fixed block on the base, be provided with respectively in first fixed block and the second fixed block with push rod assorted through-hole, the push rod passes in proper order through-hole in the first fixed block and the through-hole in the second fixed block.
The invention has the beneficial effects that: the SF6 gas detection device provided by the invention can complete the detection process without manually holding an instrument and an operating rod, and realizes separation of people from a detector by sampling through the gas collecting barrel outside a power distribution cabinet by an operator, so that the whole detection process is safer, and the detection result is more accurate. In addition, the invention has reliable design principle, simple structure and very wide application prospect.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention.
Fig. 2 is an enlarged view of a portion a of fig. 1.
Fig. 3 is an enlarged view of the structure of part B of fig. 1.
Fig. 4 is an enlarged view of the structure of the portion C of fig. 1.
In the figure, 1 is a handle, 2 is a first fixed block, 3 is a moving wheel, 4 is a push rod, 5 is a first sliding sleeve, 6 is an "L" shaped bracket, 7 is a second sliding sleeve, 8 is a base, 9 is a connecting rod, 10 is a first insulating rod, 11 is a piston rod, 12 is a piston, 13 is a gas collecting barrel, 14 is a second rod, 15 is a through hole, 16 is an SF6 gas detector, 17 is a lifting column, 18 is a boss, 19 is a controller, 20 is a spring, 21 is a bolt, 22 is a height adjusting rod, 23 is a bolt hole, 24 is a hemisphere rubber, 25 is a second fixed block, 26 is a motor, 27 is a gear, 28 is a rack, 29 is a transmitting end, and 30 is a receiving end.
Detailed Description
The following explains key terms appearing in the present invention.
Rubber hemisphere: the hemispheroid which can be deformed is made of rubber materials. When the rubber hemispheres are used in pairs, the elastic shape may be generated and the receiving member may be inserted between the opposing rubber hemispheres.
In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a gaseous detection device of SF6, includes base 8, be provided with the bracket on the base 8, be provided with gaseous collecting vessel 13 in the bracket, be provided with piston 12 in the gaseous collecting vessel 13, piston 12 is fixed with piston rod 11, piston rod 11 passes the one end of gaseous collecting vessel 13 is fixed with first insulating rod 10, the other end and the second pole 14 of gaseous collecting vessel 13 are fixed, piston rod 11 and second pole 14 all with bracket sliding connection. As shown in the figure, the shape of bracket is similar to "Y" type, and gas collecting bucket 13 is located the bracket, and the through-hole has been seted up respectively to the left side and the right side of bracket, and piston rod 11 and second pole 14 all pass this through-hole, and when promoting first insulating rod 10, piston 12 can move, and when piston 12 moved bracket left end or right-hand member, also can drive gas collecting bucket 13 and move in the bracket.
The upper part of the gas collecting barrel 13 is provided with an inlet, a gas one-way valve is installed in the inlet, and the gas one-way valve only allows gas to flow in one direction, so that the gas enters the inside of the gas collecting barrel 13 from the outside of the gas collecting barrel 13, and the gas is collected.
A lifting column 17 is arranged in the bracket, the lifting column 17 is connected with the bracket through a spring 20, and a boss 18 matched with the lifting column 17 is arranged at the bottom of the gas collecting barrel 13; specifically, the boss 18 is a trapezoidal boss, the long side of the trapezoidal boss is connected with the bottom of the gas collecting barrel 13, and the upper surface of the lifting column 17 is a hemispherical surface. When the gas collecting barrel 13 moves in the bracket, when the lower surface of the boss 18 contacts the lifting column 17, the lifting column 17 is pressed into the bracket, and when the lower surface of the boss 18 is far away from the lifting column 17, the lifting column 17 rises to position the gas collecting barrel 13.
Be provided with elevating system on the bracket, elevating system is connected with SF6 gas detection appearance 16, the bottom of bracket is provided with and 16 assorted through-holes 15 of SF6 gas detection appearance, the bottom of through-hole 15 is provided with rubber hemisphere 24, prevents that gas from flowing out in this through-hole 15. Specifically, the lifting mechanism comprises a motor 26, a gear 27 and a rack 28, the motor 26 is fixedly connected with the bracket, the gear 27 is arranged on an output shaft of the motor 26, the gear 27 is meshed with the rack 28, and the SF6 gas detector 16 is fixed on the rack 28. The motor 26 rotates to drive the gear 27 to rotate, the gear 27 drives the rack 28 to move, so that the SF6 gas detector 16 is driven to ascend, sequentially passes through the through hole in the bracket and the through hole 15 in the boss 18, enters the gas collecting barrel 13, and detects gas.
In order to realize the automatic control of the device, the bottom of the bracket is provided with a controller 19, the controller 19 is electrically connected with the lifting mechanism, specifically, a control signal output end of the controller 19 is electrically connected with a control end of the motor 26, the bracket is further provided with a correlation sensor, and the correlation sensor comprises a transmitting end 29 and a receiving end 30 and is electrically connected with the controller 19. As shown in the figure, the first insulating rod 10 is pushed to the right, the first insulating rod 10 drives the piston 12 to move to the right through the piston rod 11 (the gas collecting barrel 13 is not moved), air in the gas collecting barrel 13 is exhausted, when the piston rod 11 reaches the rightmost end of the gas collecting barrel 13, the first insulating rod 10 is continuously pushed, the piston 12 is not moved at the moment, the whole gas collecting barrel 13 moves to the right, the lifting column 17 is pressed into the bracket, the transmitting end 29 transmits a signal, the receiving end 30 receives the signal and transmits the signal to the controller 19, and the signal is displayed as a low level in the controller 19; when the gas collecting barrel 13 reaches the rightmost end of the bracket, the lifting column 17 is lifted, and at the moment, the high level is displayed in the controller 19, and an exhaust process is completed; pulling the first insulating rod 10 leftwards, wherein the first insulating rod 10 drives the piston 12 to move leftwards (the gas collecting barrel 13 is fixed) through the piston rod 11, the indoor gas enters the gas collecting barrel 13 through the gas one-way valve, when the piston rod 11 reaches the leftmost end of the gas collecting barrel 13, the first insulating rod 10 is continuously pulled, the piston 12 is fixed, the whole gas collecting barrel 13 moves leftwards, the lifting column 17 is pressed into the bracket again, the transmitting end 29 transmits a signal, the receiving end 30 receives the signal and transmits the signal to the controller 19, and the signal is displayed as a low level in the controller 19; when the gas collection barrel 13 reaches the leftmost end of the carriage, the elevating post 17 is raised, which is shown as high in the controller 19, completing a process of collecting gas. After the controller 19 displays a group of low level, high level, low level and high level, the motor 26 is controlled to rotate to drive the SF6 gas detector 16 to ascend into the gas collecting barrel 13 to complete detection of SF6 gas, and after detection is completed, the controller 19 controls the SF6 gas detector 16 to descend to complete a detection process. It should be noted that the electrical components such as the controller 19 and the injection switch and the connection relationship between the electrical components in the present embodiment are conventional, and the electrical components in the present embodiment are all common electrical components that are commercially available.
In order to obtain gas at the far end, the invention is provided with a link mechanism, specifically, the first insulating rod 10 is connected with the link mechanism, the link mechanism comprises a push rod 4 and a connecting rod 9, the push rod 4 and the connecting rod 9 are both insulating rods, one end of the push rod 4 is provided with a handle 1, and the other end of the push rod 4 is hinged with a first sliding sleeve 5; the lower end of the connecting rod 9 is connected with the first sliding sleeve 5 in a sliding manner, the upper end of the connecting rod 9 is connected with the second sliding sleeve 7 in a sliding manner, and the second sliding sleeve 7 is hinged with the first insulating rod 10; the connecting rod 9 positioned between the first sliding sleeve 5 and the second sliding sleeve 7 is hinged with the base 8. When the handle 1 is operated by hand, the push rod 4 is driven to move, the push rod 4 drives the connecting rod 9 to move, and the connecting rod 9 drives the first insulating rod 10 to move, so that the piston rod 11 is driven to move. In order to prevent the first sliding sleeve 5 and the second sliding sleeve 7 from falling out of the connecting rod 9, the top end and the bottom end of the connecting rod 9 are respectively provided with a stop dog.
The connecting rod 9 is hinged with one end of the L-shaped support 6, the other end of the L-shaped support 6 is fixedly connected with the base 8, the lever principle is adopted, the distance between the hinged point and the bottom end of the connecting rod 9 is smaller than the distance between the hinged point and the top end of the connecting rod 9, and the piston rod 11 can generate large displacement only by moving a small distance when the handle 1 is pushed, so that labor is saved.
During actual work, push rod 4 is longer, in order to realize spacing to push rod 4, be provided with first fixed block 2 and second fixed block 25 on the base 8, be provided with respectively in first fixed block 2 and the second fixed block 25 with push rod 4 assorted through-hole, push rod 4 passes in proper order through-hole in first fixed block 2 and the through-hole in the second fixed block 25.
In order to obtain high-altitude gas, a height adjusting rod 22 is fixed at the lower part of the bracket, a plurality of bolt holes 23 are formed in the height adjusting rod 22, and the height adjusting rod 22 is fixedly connected with the base 8 through bolts 21 positioned in the bolt holes 23, so that the adjustability of the bracket is realized.
In order to facilitate the movement of the whole device, the bottom of the base 8 is provided with a moving wheel 3.
Although the present invention has been described in detail by referring to the drawings in connection with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and scope of the present invention, and these modifications or substitutions are within the scope of the present invention/any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. The utility model provides a gaseous detection device of SF6, includes the base, its characterized in that: the gas collecting device comprises a base, a bracket, a gas collecting barrel, a piston rod, a first insulating rod, a second insulating rod, a piston rod, a second rod, a gas check valve, a first insulating rod, a second insulating rod, a first insulating rod, a second insulating rod and a gas check valve, wherein the bracket is arranged on the base; the bracket is provided with a lifting mechanism, the lifting mechanism is connected with an SF6 gas detector, the bottom of the bracket is provided with a through hole matched with the SF6 gas detector, and the bottom end of the through hole is provided with a rubber hemisphere;
the bottom of the bracket is provided with a controller;
the lifting mechanism comprises a motor, a gear and a rack, the control signal output end of the controller is electrically connected with the control end of the motor, the motor is fixedly connected with the bracket, the output shaft of the motor is provided with the gear, the gear is meshed with the rack, and the rack is fixedly provided with an SF6 gas detector.
2. The SF6 gas detecting device of claim 1, wherein: the gas collecting barrel is characterized in that a lifting column is arranged in the bracket and is connected with the bracket through a spring, and a boss matched with the lifting column for use is arranged at the bottom of the gas collecting barrel.
3. The SF6 gas detecting device of claim 1, wherein: the bracket is also provided with a correlation sensor which is electrically connected with the controller.
4. The SF6 gas detecting device of claim 1, wherein: the first insulating rod is connected with a connecting rod mechanism, the connecting rod mechanism comprises a push rod and a connecting rod, one end of the push rod is provided with a handle, and the other end of the push rod is hinged with the first sliding sleeve; the lower end of the connecting rod is connected with the first sliding sleeve in a sliding mode, the upper end of the connecting rod is connected with the second sliding sleeve in a sliding mode, and the second sliding sleeve is hinged to the first insulating rod; the connecting rod between the first sliding sleeve and the second sliding sleeve is hinged with the base.
5. The SF6 gas detecting device of claim 2, wherein: the boss is a trapezoid boss, and the long edge of the trapezoid boss is connected with the bottom of the gas collecting barrel; the upper surface of the lifting column is a hemispherical surface.
6. The SF6 gas detecting device of claim 1, wherein: and a height adjusting rod is fixed at the lower part of the bracket, a plurality of bolt holes are formed in the height adjusting rod, and the height adjusting rod is fixedly connected with the base through bolts in the bolt holes.
7. The SF6 gas detection device of claim 4, wherein: the connecting rod is hinged with one end of the L-shaped support, and the other end of the L-shaped support is fixedly connected with the base.
8. The SF6 gas detection device of claim 7, wherein: the push rod and the connecting rod are both insulating rods.
9. The SF6 gas detection device of claim 8, wherein: the base is provided with a first fixing block and a second fixing block, through holes matched with the push rod are formed in the first fixing block and the second fixing block respectively, and the push rod penetrates through the through holes in the first fixing block and the through holes in the second fixing block in sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910882508.1A CN110530687B (en) | 2019-09-18 | 2019-09-18 | Gaseous detection device of SF6 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910882508.1A CN110530687B (en) | 2019-09-18 | 2019-09-18 | Gaseous detection device of SF6 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110530687A CN110530687A (en) | 2019-12-03 |
| CN110530687B true CN110530687B (en) | 2022-04-29 |
Family
ID=68669158
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910882508.1A Active CN110530687B (en) | 2019-09-18 | 2019-09-18 | Gaseous detection device of SF6 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110530687B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115372558B (en) * | 2022-08-22 | 2024-09-03 | 九江学院 | Gas sensor characteristic detection system and detection method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204228686U (en) * | 2014-10-21 | 2015-03-25 | 上海乐研电气科技有限公司 | A kind of high voltage electric equipment SF 6the micro-water on-Line Monitor Device of gas and system |
| CN106405002A (en) * | 2016-08-17 | 2017-02-15 | 钟文华 | Multi-azimuth air detection device for indoor air detection |
| CN107192509A (en) * | 2017-05-17 | 2017-09-22 | 广西电网有限责任公司电力科学研究院 | A kind of SF6Leakage inspection robot |
| CN107290488A (en) * | 2017-07-18 | 2017-10-24 | 国网河南省电力公司检修公司 | Transformer SF6Gas test fixture |
| CN207197876U (en) * | 2017-10-11 | 2018-04-06 | 中和源泰（天津）环保科技有限公司 | A kind of gas collecting and detection means |
| CN108535159A (en) * | 2018-03-30 | 2018-09-14 | 重庆山楂树科技有限公司 | A kind of dust concentration detection device |
| CN109459280A (en) * | 2018-09-12 | 2019-03-12 | 国家电网有限公司 | A kind of transformer methane gas site sampling device and method |
| CN208795714U (en) * | 2018-08-17 | 2019-04-26 | 武汉金利成科技有限公司 | A kind of SF6 gas comprehensive test instrument |
| CN208847550U (en) * | 2018-09-29 | 2019-05-10 | 辽宁泛海科技有限公司 | A kind of environmental monitor convenient for collecting particle specimens in air |
| CN211179174U (en) * | 2019-09-18 | 2020-08-04 | 国网山东省电力公司莱芜供电公司 | Gaseous detection device of SF6 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE50305135D1 (en) * | 2002-09-26 | 2006-11-02 | Inficon Gmbh | TEST EQUIPMENT FOR A SNOOZE LEAK DETECTOR |
-
2019
- 2019-09-18 CN CN201910882508.1A patent/CN110530687B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204228686U (en) * | 2014-10-21 | 2015-03-25 | 上海乐研电气科技有限公司 | A kind of high voltage electric equipment SF 6the micro-water on-Line Monitor Device of gas and system |
| CN106405002A (en) * | 2016-08-17 | 2017-02-15 | 钟文华 | Multi-azimuth air detection device for indoor air detection |
| CN107192509A (en) * | 2017-05-17 | 2017-09-22 | 广西电网有限责任公司电力科学研究院 | A kind of SF6Leakage inspection robot |
| CN107290488A (en) * | 2017-07-18 | 2017-10-24 | 国网河南省电力公司检修公司 | Transformer SF6Gas test fixture |
| CN207197876U (en) * | 2017-10-11 | 2018-04-06 | 中和源泰（天津）环保科技有限公司 | A kind of gas collecting and detection means |
| CN108535159A (en) * | 2018-03-30 | 2018-09-14 | 重庆山楂树科技有限公司 | A kind of dust concentration detection device |
| CN208795714U (en) * | 2018-08-17 | 2019-04-26 | 武汉金利成科技有限公司 | A kind of SF6 gas comprehensive test instrument |
| CN109459280A (en) * | 2018-09-12 | 2019-03-12 | 国家电网有限公司 | A kind of transformer methane gas site sampling device and method |
| CN208847550U (en) * | 2018-09-29 | 2019-05-10 | 辽宁泛海科技有限公司 | A kind of environmental monitor convenient for collecting particle specimens in air |
| CN211179174U (en) * | 2019-09-18 | 2020-08-04 | 国网山东省电力公司莱芜供电公司 | Gaseous detection device of SF6 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110530687A (en) | 2019-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103776665B (en) | A kind of Automatic change film air granule sampler | |
| CN102095841B (en) | Automatic single sample introduction device of blood cell analyzer | |
| CN105093120B (en) | Battery bag electric resistance welding detection means and its detection method | |
| CN110530687B (en) | Gaseous detection device of SF6 | |
| CN108387399A (en) | Portable field water sampling detection device | |
| CN211179174U (en) | Gaseous detection device of SF6 | |
| CN101576606B (en) | Testing device of vehicle glass lifting high-current microswitch | |
| CN203117009U (en) | Automatic sampling device for underground gas of coal mine | |
| CN201876373U (en) | Liquid stratified sampling device, analysis testing device and blood type analysis meter | |
| CN209803049U (en) | Water quality detection device | |
| CN105203943B (en) | A kind of electric energy meter mainboard detection means and method based on solenoid actuated | |
| CN214160553U (en) | Workpiece detection equipment for workpiece automatic production line | |
| CN215492682U (en) | Air sampling device for atmospheric detection | |
| CN113532959A (en) | Tail gas detection sampling device for waste gas treatment and use method thereof | |
| CN208443971U (en) | The test fixture of visual extension set PCBA intelligent measurement machine | |
| CN208239594U (en) | A kind of dynamic partition tester | |
| CN203479369U (en) | Gas meter stopwatch platform | |
| CN221260967U (en) | Curved groove moisture detection device | |
| CN219870941U (en) | Regenerated rubber adhesive force detection device | |
| CN201344967Y (en) | Test device of high-current micro switch used for lifting automobile glass | |
| CN220456928U (en) | Ring main unit temperature and humidity monitoring device | |
| CN208902368U (en) | A kind of vibration detection device of digital battery | |
| CN216622589U (en) | Novel PCB circuit board detects structure | |
| CN201173872Y (en) | Portable automatic soot dust sampling instrument remote controller | |
| CN221811706U (en) | Environment detection robot sampling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |